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//******************************************************************
with adoquery1 do
begin
close;
sql.Clear;
lfc_sql:='SELECT * from blade where 1>0';
if combobox5.text <>'' then lfc_sql:=lfc_sql+' and new_blade_type= '+combobox5.text;
if combobox7.text <>'' then lfc_sql:=lfc_sql+' and team= '+combobox7.text;
if edit12.Text <>'' then lfc_sql:=lfc_sql+' and machine_no= '+edit2.text;
if edit9.text <>'' then lfc_sql:=lfc_sql+' and operator= '+edit9.Text;
sql.Add('+lfc_sql+');
open;
first;
-------------------------------------
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procedure TForm3.Button3Click(Sender: TObject);
var i,j:integer;
var str1,str2,str3:string;
begin
with
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